General C++ Programming - C++ Forum - November 2014 (Page 17)

Hi . I can only write one value to file, but I want all values written: get all, say for example barcode char* bst:: get_bar(hwareItem*& root){ ...

[6 replies] Last: Thanks! its working.. (by csstudent123)

by slipkn0t

Editing text file in c++

Here is the problem. PROGRAMMING PROBLEM You are requested to create an inventory control application for a drink stall (give a name to the stall). The applica...

[1 reply] : One of the first things I see is this: The records are to be saved a... (by jlb)

by Magarf

A rotation problem

Hey everyone, I had a few questions and I would really appreciate it if you can help me with that :) I am working on a facial expression detection project...

[1 reply] : Sorry I can't help much, but you can't rotate a 2D frame of video that... (by Duthomhas)

by JackieCho

Generating random numbers

for (int i=0; i<15; i++) { nx =rand()%8+1; printf("%d",nx ); } I want to the function of timer "srand(time(NULL))" to generate ...

[1 reply] : The snippet of code you posted works OK for me after adding in a few m... (by wildblue)

by MichaelN2

Can you help?

Im getting this error and i'm a relative neophyte to programming so could some help me? "fatal error LNK1169: one or more multiply defined symbols found" H...

[3 replies] Last: Thank you both for your help I had written my code in the stdafx.h fil... (by MichaelN2)

by Mechennyy

Do you believe smart pointers teach bad habits (1,2)

Hey guys, I would like to hear your opinions on smart pointers. The main question I have is, do you believe they teach bad habits when it comes to managing memo...

[31 replies] Last: but the new and delete statements look alright At least std:string co... (by MiiNiPaa)

by memberfunction

Trigonometry problem C++

I am trying to make a 2D shooter using C++ and SFML 2.1. A machine gun is positioned somewhere and it turns towards the mouse pointer. Now I need to implement s...

[3 replies] Last: > Now the gun... > What am I doing wrong? In order to know what you ar... (by ne555)

by superfury

Mixing samples of multiple (1+) channels?

I'm currently using the following formula: SUM(channels)-(PRODUCT(channels)/USHRT_MAX) to mix all my sound channels (which are already prepared to the same ...

[2 replies] Last: I removed the functionality, just simply SUM(channels) and finally cli... (by superfury)

by superfury

SF2 24-bit samples with 16-bit renderer?

My renderer uses 16-bit samples (short). The soundfont might use 24-bit samples or 16-bit samples. If 24-bit samples are used, is it worth downsampling the 24-b...

[4 replies] Last: Assuming that isn't an RGB triplet, yes. (by Duthomhas)

by CaliNiner1995

Trying to Parse and Edit a Text File

I have this project for school where I basically need to write a program that will take any text file and convert it into html code. string line; int line...

[2 replies] Last: Don't loop on EOF. while (getline(inFile, line)) { ... } You... (by Duthomhas)

by yash1493

cannot fix the error in the below radix sort code

#include<iostream> #include<conio.h> using namespace std; void radix_sort(int*,int); int count(int*,int); main() { int a ,n; cout<<"\nEnter the no...

[no replies]

by raju8438

member function to shuffle content

Hi Is there member functions for STL's like vector,list etc., to shuffle the content of that STL. eg: int arr = {1,2,3,4}; std::vector<int> v1(arr, arr+ s...

[2 replies] Last: Hi Peter Thanks for the information.... :) (by raju8438)

by Drisc95

Help with Arrays and Functions

I'm writing a program that will read an array from the user, and then it will output the array back to the user, find the minimum value, subtract the minimum va...

[4 replies] Last: IN all of your functions, you do not use a argument at all. You crea... (by MiiNiPaa)

by pomopwner

red-black tree insert issues (SOLVED)

I'm working on a red black tree assignment for my class and I'm having some trouble with the insertion function. My problem is that my root node value is being ...

[2 replies] Last: I actually got this figured out earlier today, thank you for the help ... (by pomopwner)

by fea12rs

Matrix multiplication (1,2)

Hi people. New to this site, new to c++ so excuse me if i lack the normal decorum. Im writing a program thats supposed to multiply 2x2 matrices together, mul...

[35 replies] Last: @Doas If he doesn't want to lift off from the launchpad and fizzle ou... (by closed account 48T7M4Gy)

by JackieCho

Problem about defining a class

class Molecule { public: int state; Molecule(); void Generatepoint(int nMolecule,int nx ,int ny ); }; When I define a member function, ca...

[2 replies] Last: int nx , int ny is fine they equal to int* nx，int* ny (by mzzz)

by arnauboss

Convert String to C++

Hi I would like to know how I can convert a string which represents a date to an integer. #include <iostream> using namespace std; #include <string> ...

[2 replies] Last: first convert, day_string = "10"; then day_int =10; same as month and... (by anup30)

by RobTTay

function definition problem

At the end of the program where i have my function definiton it's giving me an error that says that the function definition is not allowed before '{' Here is m...

[4 replies] Last: Then we would be out of a job. You wouldn't want that, right? (by YokoTsuno)

by misserwell

template build error, simliar with chromium callback module

I am reading chromium source code about callback module , and I tried to write a simple example as below, but the code can't compile successfully , could you he...

[no replies]

by PixelDagger

if statement problem

Hello, I have recently started C++ and just made this program to test if statements to create a numerical password. However, it only gives me the "wrong passwor...

[1 reply] : If your numbers start with a zero, they are treated as octal (base 8) ... (by Disch)

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General C++ Programming - November 2014 (Page 17)